These words are often confusing because they have a similar spelling, pronunciation and also meaning.
It explains the differences in detail when used as different parts of speech: Affect as a verb and effect as a noun are the most common uses. But It also explains how we can use effect as a verb and even affect as a noun. One particular form which confuses students is affected vs effected (both as verbs). You will learn the difference between them in the lesson.
There are many examples during the video and I end the lesson with a summary of the basic grammar rules along with some exercises in the form of a short quiz to test your understanding.