Gerund as subject: In "sharing the wisdom gained," "sharing" as a gerund, as the main part of the sentence, emphasizes the importance of parents sharing wisdom, increasing the complexity of the sentence.
Past participle as an adjective: In "gained from their own life experiences," "gained" as a past participle, modifying "wisdom," emphasizes the experiential nature of wisdom's source, increasing the depth and amount of information in the sentence.
Infinitive phrase: "to guide kids in making smarter choices" as an adverb of purpose, explains the goal of parents offering advice, enhancing the logical and guiding nature of the sentence.
Noun phrase: In "life's ups and downs," as a noun phrase, it provides the scope of life that parents' advice should address, making the sentence more specific and vivid.