As the exercise suggests, this type of legislation addresses numerous and perhaps unrelated issues to create winning coalitions and force members to support the entire bill to obtain the individual parts. In other words, the omnibus bill (omnibus derived from the latin mean "for everything" which also means "bus" in Spanish) is a single document that involves many projects and laws.
The Great Compromise to solve the issue of representation in Congress was to make a system based off voting for the Senate by the population where majority wins based off many topics such as representation.