2 words in this vocabulary list
noun a safe or protected place
verb to make something safe or certain
adjective safe from harm or danger
adverb in a safe or protected manner
noun Another noun, 'critical', which can also refer to a crucial or decisive point or situation.
adjective A word that describes or modifies a noun. 'Critical' is an adjective in this context, indicating that the mission is of utmost importance or essential.