InDesign

First baseline offset options

To change the first baseline options of a selected text frame, choose Object > Text Frame Options, and click the Baseline Options tab.

Ascent
The height of the “d” character in the font falls below the top inset of the text frame.

Cap Height
The top of uppercase letters touch the top inset of the text frame.

Leading
Use the text’s leading value as the distance between the baseline of the first line of text and the top inset of the frame.

X Height
The height of the “x” character in the font falls below the top inset of the frame.

Fixed
Specify the distance between the baseline of the first line of text and the top inset of the frame.

Min
If you want to snap the top of the text frame to a grid, choose either Leading or Fixed so that you can control the location of the first baseline of text in text frames.