Study Of Biblical Geneologies In Biblical Study, How Do You Distinguish The Literal From The Metaphorical?

In Biblical study, how do you distinguish the literal from the metaphorical? - study of biblical geneologies

I mean, if a man is confronted with a tree walk (Mar 8:24), can assume that the tree of life (Genesis) May Christ, he is to be alive?

I thought about how the Apocalypse speaks of the tree of life and in my view is that the same tree.

This is just one example of the metaphor, but what are some of the others and how you should know not to be taken literally?