A run‐on sentence is two or more independent clauses joined together with insufficient punctuation. This means that there are two or more complete sentences fused into one sentence. Use a colon: a ...

An error known as a comma splice (or comma fault) results when a comma is mistakenly placed between two independent clauses that are not joined by a coordinating ...

If you fail to do so, you will run into the run-on sentences trap. Types of run-on sentences There are three types of run-on sentences: fused sentences, comma splice and polysyndeton.