In data visualization, "rollups" refers to

$2$ points

transposing columns and rows

pivoting data

a fruity treat $[$THIS IS NOT THE ANSWER$]$

moving the focus from a higher$-$level dimension to a single, lower$-$level component $($like kingdom $$ phylum $$ class $$ order $$ family $$ genus $$ species$)$

grouping items at a lower hierarchical level and shifting the focus up a level $($like city $$ state $$ country$)$

In data visualization, "rollups" refers to

$2$ points

transposing columns and rows

pivoting data

a fruity treat $[$THIS IS NOT THE ANSWER$]$

moving the focus from a higher$-$level dimension to a single, lower$-$level component $($like kingdom $$ phylum $$ class $$ order $$ family $$ genus $$ species$)$

grouping items at a lower hierarchical level and shifting the focus up a level $($like city $$ state $$ country$)$