What is the meaning of Rollup?

A kind of food made by wrapping ingredients in another food, e.g. fajitas.

A kind of flat, pectin-based, fruit-flavored snack rolled into a tube.

A self-made cigarette of tobacco and rolling paper.

A business technique where multiple small companies in the same market are acquired and merged.

A collection of software updates distributed as a single package.

That which is rolled up; a summation; an aggregation; a total.

Source: wiktionary.org