Card

A card is your note, as well as a container for knowledge and ideas. You can type / to add any types of blocks you want: headings, lists, to-dos, toggles, tables, images, audio, videos, files, PDFs, code snippets, math equations, and dates.
All cards are stored in the Card Library..md
When learning a new topic, you may create cards with just a few sentences, each describing an important concept. However, as you delve deeper into your learning, you may find yourself creating cards with longer content, some even resembling articles or documents.
Cards can mention each other..md All these interconnected cards together form your knowledge network.