A relative reference changes when you copy the formula to another cell.
It’s written as just the cell name, like A1.
_self.brand__brand_self.model__model_(5).png)
An absolute reference doesn’t change, no matter where you copy the formula.
It’s written with dollar signs before the column and row, like $A$1.
_self.brand__brand_self.model__model_(6).png)
A mixed reference locks either the row or the column, not both.
It’s written as $A1 (locks column only) or A$1 (locks row only).
locks column-
_self.brand__brand_self.model__model_(7).png)
locks row-
_self.brand__brand_self.model__model_(8).png)
