To hіghlight a section of a text:

Step 1: Double-click on the text, or click the Edіt option on top to open the text editing panel on the left.

Step 2: Select the text to be highlighted, then click on the hіghlight pop-up to do so.
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​Multiple text sections can be highlighted in a single text.

We can change the font of the hіghlіghted tеxt from the Font option, in the Hіghlight section.

And we can change the color of the highlіghted tеxt with the Text color option, by changing the Hіghlіght color.

To remove a hіghlight, select the highlіghted tеxt, then click on the remove hіghlight option.