What is meant by the phrase “further declaratory and restrictive clauses”?

The phrase, "the longest journey begins with a single step" means

Take some time to create a cultural inventory. note the components of culture that have defined you and list as many as possible here. then write about the ways your unique culture affects your communication, i need i don't know how to start it off .

If music be the food of love, play on; give me excess of it, that, surfeiting, the appetite may sicken, and so die. that strain again! it had a dying fall: o, it came o'er my ear like the sweet sound, that breathes upon a bank of violets, stealing and giving odour! now read the excerpt from "the love song of j. alfred prufrock." for i have known them all already, known them all: have known the evenings, mornings, afternoons, i have measured out my life with coffee spoons; i know the voices dying with a dying fall beneath the music from a farther room. what does the phrase "dying fall" most likely mean in both excerpts