Welcome sandorable - this is a good place to learn.
Initially usually means (take first letters. For instance, there's a nice clue in today's Guardian:
Almost certainly a cold month, August normally feels less unsettled initially (3,3)
"Spooner" clues divide opinion (I hate them). Doctor Spooner is reputed to have had a tendency to transpose first letters of syllables in pairs of words - his most famous was announcing the hymn "Kinkering kongs their title take" ("Conquering kings").