Integrate a sophisticated AI chatbot, akin to ChatGPT, accessible via a “Chatbot” button in the menu bar. This AI assistant can understand and analyze all notes taken within GoodNotes, providing users with an array of functionalities:

1.  Answering Questions: Users can ask questions about their notes, and the chatbot will provide accurate and context-aware answers based on the content.
2.  Summarizing Notes: The chatbot can summarize selected handwritten or typed notes, offering concise overviews.
3.  Contextual Information: It can offer additional information or explanations related to the content of the notes, enhancing learning and understanding.
4.  Task Automation: The chatbot can assist with automating repetitive tasks, such as organizing notes, setting reminders, or converting handwritten notes to typed text.
5.  Content Search: Users can search for specific keywords or topics across all their notes using natural language queries.
6.  Note Enhancement Suggestions: It provides suggestions for improving note structure, highlighting key points, or adding relevant content. 

1. Indexing and Navigation: Maintains an indexed database of all notes, allowing users to quickly navigate through and locate specific information across their notes.

2. Semantic Indexing: Utilizes advanced semantic indexing to categorize and organize notes based on their content, relationships, and context, as well as the knowledge of the time, when the note was taken.