Synonyms may help people to figure out meanings by known words. If a word's meaning is unknown, atleast one of the synonyms must be a known word. So, the meaning of the unknown word can be explained by the meaning of the known synonym, as a synonym is an alternative word with the same meaning.
Explanation:
The term curriculum is often used to describe only the goals, objectives, or plans, something distinct from the “means” of methods, materials, and assessment