Canon EOS R50 Mirrorless Camera (White) - Manual (Page 439)

Positioning Method
You can set how positions are specified by tapping or dragging.
1.
Set [Positioning method].
Absolute
The AF point moves to the tapped or dragged position on the screen.
Relative
The AF point moves in the direction you drag, by an amount
corresponding to the amount you drag, no matter where you tap the
screen.
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