Newsletter and social media terms

A/B testing

Comparing two versions with separate audience groups to learn which performs better on a defined measure.

Algorithm

A platform’s system for ranking and recommending content in feeds using signals about relevance, activity, and audience interests.

Attribution

Connecting a sale or signup to the content that influenced it, so you know which work is doing the earning.

Bounce rate

The percentage of sent emails that were rejected or could not be delivered, including permanent and temporary failures.

Call to action (CTA)

A prompt that tells the reader what to do next, such as subscribe, read a guide, reply, or register.

Carousel

A multi-slide post the reader swipes through. Each slide has to earn the next swipe, which is why carousels reward structure.

Character limit

The maximum text length allowed in a post or field, with counting rules that depend on the platform and format.

Click-through rate (CTR)

The percentage of an audience that clicked a link, with the audience and click-counting method defined by the channel or reporting tool.

Click-to-open rate (CTOR)

The percentage of tracked email openers who clicked, commonly calculated as unique clickers divided by unique opens.

Community management

The ongoing work of supporting conversations, responding to people, and maintaining participation standards in a community.

Content calendar

A schedule of what publishes where and when, turning consistency from daily willpower into a visible plan.

Content strategy

A plan for whom content serves, what it helps them do, and how it supports an organization’s goals.

Conversion rate

The percentage of a defined audience that completes a chosen action, such as subscribing, registering, or purchasing.

Cross-posting

Publishing the same content to several platforms. The wording and format may need adapting for each audience.

Deliverability

The ability of email to reach recipients’ inboxes, influenced by reputation, authentication, list quality, and filtering.

Double opt-in

A signup process that asks a person to confirm their email address before activating a subscription.

Drip campaign

A sequence of emails delivered at planned intervals, usually beginning when someone joins a list or takes an action.

Email automation

Sending emails automatically when a defined trigger, schedule, or subscriber condition is met.

Email list

A collection of email subscribers and their subscription details, used to send messages to people who asked to receive them.

Email marketing

Using permission-based email to inform an audience, build relationships, and encourage actions such as reading, registering, or buying.

Email opens

Recorded events that indicate an email’s tracking image loaded, rather than a verified count of people who read the message.

Email segmentation

Dividing an email audience into groups so each group can receive more relevant messages.

Emails delivered

The number of sent emails accepted by receiving mail systems, commonly calculated as sent messages minus recorded bounces.

Emails sent

The number of email messages a sending provider reports sending during a campaign or time period.

Engagement rate

Interactions divided by reach or followers. It signals whether content resonated, not whether it sold anything.

Evergreen content

Content that remains useful beyond a news cycle because it addresses an enduring question or problem.

Follower count

The number of accounts following a social profile, which differs from the number that sees or interacts with each post.

Hashtag

A word or phrase preceded by # that can label a post’s topic and connect it with related content on supported platforms.

Hook

The first line of a post, which decides whether the rest gets read. Feeds truncate, so the hook is most of the post.

Impressions

The total number of times a post was shown, counting repeat views. Repeat exposure can produce multiple impressions per person.

Internal link

A link from one page to another page on the same website.

Landing page

A web page built around a specific audience and action, such as joining a newsletter or registering for a webinar.

Lead magnet

A useful resource offered in exchange for contact details, often as part of a clearly explained newsletter signup.

Link in bio

A clickable link or collection of links on a social profile that leads visitors to a website, publication, resource, or offer.

Link preview

The card a platform renders when you share a URL, built from the page’s Open Graph tags. It helps readers recognize the destination.

List churn

The loss of email subscribers over time through unsubscribes, hard bounces, and other defined removals.

List value

An estimate of an email audience’s economic contribution, based on explicit assumptions about engagement, revenue, and costs.

Newsletter

An email publication sent to subscribers, usually on a recurring schedule, with news, ideas, advice, or updates.

Newsletter archive

A collection of past newsletter editions, often published as web pages for readers to browse and share.

Newsletter sponsorship

An arrangement in which an advertiser pays for a placement or association within a newsletter.

Open rate

The percentage of delivered emails with a tracked open, subject to privacy features, image blocking, and provider definitions.

Opt-in

The act of choosing to receive a particular type of communication, such as subscribing to an email newsletter.

Organic reach

The number of unique accounts shown content through unpaid distribution on a platform.

Paid newsletter

A newsletter that charges subscribers for access to some or all of its content.

Personalization

Adapting content or message details using information about the recipient, such as their preferences or previous interactions.

Posting cadence

How often you publish on a platform. The sustainable rate beats the impressive one, because consistency is what compounds.

Preview text

The short email snippet shown beside or below the subject line in many inboxes, also called preheader text.

Reach

The number of unique accounts that saw a post. Reach is rented: the platform decides who sees your work.

Repurposing

Adapting existing content into another format or channel, such as turning a newsletter lesson into a social thread.

Revenue per subscriber

Revenue over a stated period divided by a defined subscriber count, used to compare monetization consistently.

Saves

Actions that bookmark a social post so a user can find it again later.

Search engine optimization (SEO)

Improving a website’s content and technical accessibility so search engines can discover it and people can find useful answers.

Search intent

The underlying purpose of a search, such as learning a definition, comparing options, or completing a task.

Shares

Actions that pass a social post to other people through reposts, messages, or other supported sharing methods.

Signup form

A form that lets someone subscribe to a newsletter by submitting an email address and any required preferences.

Social media

Online platforms where people publish content, interact with others, and discover communities, ideas, and information.

Social media analytics

The measurement and interpretation of social content, audience, and interaction data to understand performance.

Social media marketing

Using social platforms to reach an audience, share useful content, build relationships, and support business goals.

Social proof

Evidence of other people’s experiences or choices that can influence how someone evaluates an offer or publication.

Subject line

The one line that decides whether a send gets opened. Clarity and length matter more than cleverness.

Subscriber

Someone who signs up to receive a publication or service, such as a free or paid email newsletter.

Target audience

The group of people a piece of content, publication, or offer is intended to help.

Thread

A sequence of connected posts that reads as one piece, letting a longer argument live on platforms built for short posts.

Unsubscribe rate

The percentage of recipients who opt out after an email, calculated using the reporting platform’s stated denominator.

User-generated content (UGC)

Content created by users or customers about a product, experience, or community, such as reviews, photos, or tutorials.

UTM parameters

Tags added to URLs that help analytics identify a visit’s source, medium, and campaign.

Welcome email

The first introductory email a subscriber receives, usually explaining what to expect and how to get started.

Welcome sequence

A series of introductory emails sent after signup to help new subscribers understand a publication, topic, or product.