Present participle as adjective: "learning and sharing of life experiences" The phrase "learning and sharing" as a present participle phrase modifies "life experiences", adding complexity and depth to the sentence.
Noun phrase: "different ages living together" as a noun phrase describes a group of people living together, enhancing the specificity and amount of information in the sentence.
Infinitive as adverb of purpose: "to learn directly from their elders" explains the purpose and way young people learn, adding structural complexity and logic to the sentence.
Participle as postpositive modifier: In "sharing of wisdom and experiences", "sharing" as a postpositive modifier modifies "wisdom and experiences", increasing the amount of information and richness of expression in the sentence.