Jacob 5 we read the parable told by Zenos a prophet of old. The parable is that of a vineyard.
The parable is a metaphor of Heavenly Father and the world.
Below is a table describing and explaining the symbolism used in this parable. This will greatly assist you in reading and understanding this chapter.

Jacob 5 can seem like a tedious task, however, it is saturated with wonderful and inspiring principles and is worth studying and gaining an understanding of it.
Here is a song called Olive Tree - http://seminary.lds.org/content/music/book-of-mormon/CES_BoM_05_TheOliveTree.mp3 (its pretty)
Also - let's put our heads together and try to figure out an activity we can do one of these nights!