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 team when single sign-on (SSO) is enabled. A binding email contains a token that is linked with the email it’s sent to. A team member must sign up for their Slack team using the email address that receives the binding email.
Channel Channels are where you’ll hold most of your conversations in Slack. There are two kinds of channels: public channels and private channels.
Direct Message (DM) Direct messages are a private, one-to-one conversation between you and another team member. These conversations are visible and searchable only to you and the person you DM. 
Group Message (Group DM) Group DMs are a private conversation between you and up to eight other team members. These conversations are visible and searchable only to you and the people you DM. 
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  Team members can use the standard features of your Slack team, such as joining public channels, sending messages, uploading files, and other options. This role is the default for new people added to your team.
Mention When someone mentions your @username, real name, or any of your highlight words in their message, Slack will send you a notification.
Message box  The message box is the input field 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 team, and instead, must be invited. They also cannot view or see channels they haven’t been invited to. (Only available to paid teams.) 
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 highlight 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 team 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

Private channels allow a group of people to talk privately within Slack. Only team members who are invited to a private channel can read or search its contents.
Public channel Public channels are open to your entire team. Messages sent to public channels are archived and searchable by all team members, except for Multi-Channel and Single-Channel Guests.
Search  Search is a tool to quickly find documents, files, posts, messages, or team members within Slack.
Single-Channel Guest Single-Channel Guests can only access one channel in a Slack team. (Only available to paid teams.)
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 team, without needing account credentials for Slack. (Only available to paid teams.)
Slackbot Slackbot is a built-in bot that helps you get started when you join a Slack team, answers questions about using Slack (within Slack!), and can even be set up to give automatic, customized responses to your team members.
Snippet Snippets are a quick, easy way to share bits of code or plain text with your Slack team.
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 is a group of people that use Slack to communicate in public and private channels as well as direct messages. A team is made up of Team Owners, Team Admins, members, and guests.
Team Administrator Team Admins have some administrative powers, such as managing team members, moderating channels, and other maintenance tasks.
Team Owner Team Owners control the highest-level security and administrative settings: payments, team authentication method, security policies, and so on. Only the Primary Owner (usually the person who created a team) has the ability to delete the team.
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.

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