An ounce of prevention is worth a pound of cure, means that with a little use of caution you can save a lot in repair.
It's the word that describes the noun in the sentence.
The verb in a sentence is the action word that describes what the subject is doing. Without a specific sentence provided, it is difficult to identify the verb. Can you please share a sentence for clarification?
Adverb
It is a sentence when use the word egg and describes it
The word that describes the verb in a sentence is called an adverb. Adverbs modify or provide more information about the action of the verb.
Is is the verb in your sentence.
plan together
The leaves fall down.
Idea would be a word that would work well for plan.
In the sentence "He saw how eager she was to do her best," the adjective is "eager." This word modifies (describes) the word "she."
An adjective describes a noun.
They were seriously considering the plan.