File - a group of related records. ... A database consolidates records previously stored in separate files into a common pool of data records that provides data for many applications. The data is managed by systems software called database management systems (DBMS).
The smallest you should have is PROBABLY 24 points. Anything below that is going to strain the audience's eyes! However, the title text can be a bit bigger, around 36 and then for text anything around 24-26 should work!
