Slack glossary

As you're getting started on Slack, there are some common terms that are handy for you to know. Here's an overview of Slack basics.

App Directory Apps are a way to automatically pull information and activity from outside tools and services into Slack. You can browse available tools and services in the App Directory.
Binding email A binding email allows a member to sign up for a Slack workspace when single sign-on (SSO) is enabled. A binding email contains a token that is linked with the email it’s sent to. A member must sign up for their Slack workspace using the email address that receives the binding email.
Channel Channels are where you’ll hold most of your conversations in Slack. There are three kinds of channels: public channels, private channels, and shared channels (beta).
Direct Message (DM) Direct messages are one-to-one conversations between you and another member.
Group Message (Group DM) Group DMs are smaller discussions, outside of channels, between you and up to eight other members.
Magic Link  If typing out your strong, secure password feels like a chore, you can ask Slack to email you a magic sign-in link that expires after 24 hours and can be used only once. Just click the button at sign-in.
Member  Members can use the standard features of your Slack workspace, such as joining public channels, sending messages, uploading files, and other options. This role is the default for new people added to your workspace.
Mention When someone mentions any of your keywords, or types @ followed by your full or display name in their message, Slack will send you a notification.
Message field  The message field is where you type and send messages in channels and DMs.
Multi-Channel Guest Multi-Channel Guests do not have full access to all the public channels in a Slack workspace, and instead, must be invited. They also cannot view or see channels they haven’t been invited to. (Only available on paid plans.) 
Notification  Notifications are a way for Slack to tell you about items that need your attention, even when you're busy or on the go. You can choose to receive notifications on your desktop, phone, or via email. You can even customize them by channel and set up keyword notifications for important words or phrases.
Pin  Pinning an important message or file is an easy way to save information to any Slack channel or direct message so that you and other members can access it at a later time.
Post Posts are a way to share long-form, formatted content — like project plans or documentation — directly in Slack.

Private channel

Unlike public channels, you must have an invitation to join a private channel. Once you're a member, you can join in the private channel's discussion.
Public channel Public channels are open to your entire workspace. Messages sent to public channels are archived and searchable by all members, except for Multi-Channel and Single-Channel Guests.
Search Search is a tool to quickly find documents, files, posts, messages, or members within Slack.
Shared channels (beta) A shared channel is a bridge connecting a channel in your workspace with another company’s Slack workspace. It’s a secure place to communicate and collaborate with external contacts. 
Single-Channel Guest Single-Channel Guests can only access one channel in a Slack workspace. (Only available on paid plans.)
Single sign-on Single sign-on (SSO) is a process that permits someone to enter their name and password from one system (like Google) in order to access their Slack workspace, without needing account credentials for Slack. (Only available on paid plans.)
Slackbot Slackbot is a built-in bot that helps you get started when you join a Slack workspace, answers questions about using Slack (within Slack!), and can even be set up to give automatic, customized responses to your members.
Snippet Snippets are a quick, easy way to share bits of code or plain text with people in your workspace.
Star Stars are a way to mark an item in Slack as important. You can star channels and DMs to move them to the top of your left sidebar. You can also star messages to easily come back to them later.
Team A team or group of people that use Slack to communicate in public and private channels as well as direct messages.
Workspace Admin Workspace Admins have some administrative powers, such as managing members, moderating channels, and other maintenance tasks.
Workspace Owner Workspace Owners control the highest-level security and administrative settings: payments, authentication method, security policies, and so on. Only the Workspace Primary Owner (usually the person who created a workspace) has the ability to delete the workspace.
Timestamp A timestamp shows you the exact date and time something in Slack took place, such as when a message was sent or when a file was shared.
Workspace Your Slack workspace is the space you share with other members to communicate and get work done. Your workspace is made up of Workspace Owners, Workspace Admins, members, and guests.

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