Understandindg word meanings.

Drop in the bucket.
Some nations elect a president, other (countries, cities, states) have rules insted.

Drop in the bucket means a very small amount. This site explains this phrase and gives a couple of examples.

http://www.goenglish.com/ADropInTheBucket.asp

I don't understand your second sentence. What don't you understand?

To understand word meanings, it is helpful to break down the phrases or expressions and analyze the individual words. Let's take a look at the two phrases you mentioned:

1. "Drop in the bucket":
This expression is used to describe something that is considered small or insignificant in the context of a larger whole. It implies that the amount or contribution being referred to is so minor that it will have little impact on the overall situation. To grasp the meaning of this phrase, you can examine its components:

- "Drop": In this context, it refers to a small amount or quantity, usually in liquid form.
- "In the bucket": This phrase indicates that the drop is being added to a larger container or context.

Combining these ideas, "drop in the bucket" figuratively suggests a small, inconsequential addition to something much larger or more significant.

2. Presidential elections and governing rules:
Different nations, countries, cities, and states can have varying forms of government and systems for choosing their leaders. While some countries opt for electing a president, others have alternative mechanisms or rules in place. The specific rules and procedures of each governing body may vary, and it's essential to research and understand the particular system of the place you are referring to.

By breaking down and investigating individual words and phrases within a sentence or expression, you can acquire a better understanding of their meanings and intentions.