Canon EOS REBEL T7i Instruction Manual page 54

3 Setting the Screen Display Level
Sample Screens

<C>: Guided
<f>: Guided
In Creative Zone modes, when [Guided] is set, only the functions particular
to the set shooting mode are displayed on the Quick Control screen. Note
that items that cannot be set from the Quick Control screen when [Guided]
is selected can be set via the menu screen (p.62).
54
<C>: Standard
<f>: Standard