Claude Chat, Code, and Cowork – Three Modes, One AI

Lesson 1: What Is Claude Chat? – The Conversational Interface

Lesson Objectives

By the end of this lesson, students should be able to:

  • Explain what Claude Chat mode is and how it relates to claude.ai
  • Identify the core features available in Chat mode
  • Describe the difference between a conversation and a Project
  • Recognize when Chat mode is the appropriate tool for a task

Lesson Content

Chat is where most users live – and for good reason.

The Chat tab in the Claude desktop app is the conversational interface most people think of when they picture Claude. If you have used Claude in a browser at claude.ai, the Chat tab is that same experience delivered as a native desktop application. The underlying capabilities are identical; what changes is how you access them.

Chat mode is designed for natural, open-ended conversation with Claude. You type a message, Claude responds, you follow up, and a productive exchange unfolds. This covers an enormous range of tasks: writing, analysis, research, brainstorming, summarizing, planning, explaining, and more.

Core features of Chat mode.

Conversations: Each time you start a new session, you begin a conversation. Conversations are saved in your Recents sidebar and remain accessible for as long as you keep them. They are stored in your Claude account and accessible from both the desktop app and the browser at claude.ai.

Projects: A Project is a persistent workspace where conversations share a common context. When you create a Project, you can upload reference files, write standing instructions specific to that project, and have all conversations within it build on the same foundation. Projects are ideal for ongoing work – a client account, a recurring report, a long-term research effort – where you want Claude to always have the relevant background without you re-explaining it.

Custom Instructions: A setting in your account profile where you describe yourself, your role, and your preferences for how Claude should respond by default. Every Chat conversation inherits these instructions. They are the difference between Claude that always has to re-learn who you are and Claude that already knows.

Artifacts: When Claude produces a substantial, discrete piece of content – a document, a code block, a table, a plan – it often places this output into an Artifact panel beside the conversation. Artifacts are easier to read, copy, download, and reuse than content buried in a chat thread. They are one of Chat mode's most practical features and one that many new users overlook.

File uploads: You can upload documents, spreadsheets, images, and other files directly into a Chat conversation for Claude to read and work with. This is useful for summarizing a long document, answering questions about a report, reviewing a draft, or analyzing a data file.

Memory: Chat mode includes a memory feature that allows Claude to remember facts about you across conversations – your preferences, background details, things you have mentioned before. Check your account settings to configure what Claude remembers and what it does not.

When Chat mode is the right tool.

Chat is the right mode for:

  • Questions and answers of any complexity
  • Writing, editing, and drafting tasks
  • Research and summarization
  • Brainstorming and ideation
  • Everyday tasks that benefit from a knowledgeable assistant
  • Any conversation-style interaction that does not require Claude to take action on your computer or within your connected apps

If your task is "help me think through this" or "write me something" or "explain this to me" – Chat mode is where you want to be.

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