A compound sentence contains two simple sentences joined by a coordinating conjunction.

This been a better choice for compound sentence has two more subjects or has two more verbs or has both compound subject two simple sentences joined by a coordinating conjunction.

2 answers

This is the correct definition of a compound sentence:

A compound sentence contains two simple sentences joined by a coordinating conjunction or a semicolon.
It consists of two simple sentences joined by conjunctions and, for or but. *