The Insert menu provides items for inserting various kinds of content into a notebook.

Input from Above — copy input from above

Output from Above — copy output from above

Cell with Same Style — create another cell with the same style

Inline Free-form Input — enter free-form linguistics for conversion to inline Wolfram Language input

Special Character — palette of all special characters

Color — system color picker

Typesetting ▶ — common typesetting actions

Table/Matrix ▶ — insert a table or matrix, add rows or columns, etc.

Horizontal Lines ▶ — insert horizontal lines

File Path — insert the full pathname of a file

Picture — insert a picture from a file or an empty graphic

File — insert the contents of a file

Hyperlink — create a hyperlink to a URL or another cell or notebook

Automatic Numbering — set up counters

Page Break — insert a page break