The document discusses using images and tables in HTML. It provides information on the <img> and <table> tags and their attributes. The <img> tag is used to insert images, with attributes like src, width, height, border, and alt. Tables are made up of rows (<tr>) and cells (<td>), with optional headings (<th>). They allow organizing data in a tabular format and are useful for presenting information like spreadsheets. The document shares code snippets demonstrating how to implement these tags to insert images and create tables in HTML.