I know tkinter is just a wrapper for Tk but this reference to slaves is pretty bad. Maybe it could be referenced as child widgets? Pretty much anything other than slaves.

Linked PRs

• gh-143754: Use neutral terminology in tkinter documentation #143779
• gh-143754: Modernize Tkinter docs #143841
• gh-143754: Add Tkinter methods pack_content(), place_content() and grid_content() #143845
• [3.14] gh-143754: Modernize Tkinter docs (GH-143841) #144032
• [3.13] gh-143754: Modernize Tkinter docs (GH-143841) #144033