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Indicates possession (‘s/of), connects nouns, nominalizes phrases, or marks an explanation.
Readings
Possession ('s / of)
Establishes a possessive relationship where the preceding noun owns or belongs to the following noun.
Description / Specification
Links a modifying noun to a main noun to specify attributes such as category, location, material, or origin.
Turning Phrases into Nouns ('the one' / '-ing')
Nominalizes verbs and adjectives to allow them to function as grammatical subjects or objects, or serves as a pronoun substitute.
Sentence Ender (for explanation or questions)
Functions as a sentence-final marker to solicit explanations, ask casual questions, or add explanatory emphasis.