c'est

1. it is (used to define the preceding word)
2. it is (used to introduce a focus)
3. this is

finalement

1. finally; last; lastly
2. finally; eventually; after all

la

• Article

  the (definite article)

• Pron
• Noun

lui

• Pron

  1. him, he; the third-person masculine singular personal pronoun used after a preposition, or as the predicate of a linking verb, or when disjoined from a sentence, or as a stressed subject
  2. him, her; the third-person singular personal pronoun used as an indirect object

• Verb

offre

• Noun

  1. offer (something offered)
  2. supply

• Verb

son

• Noun

  sound

• Det

le

• Article

  1. the (definite article)
  2. Used before abstract nouns; not translated in English.
  3. Used before the names of most countries, many subnational regions, and other geographical names including names of lakes and streets; not translated into English in most cases.
  4. the; my, your, etc.
  5. a, an, per
  6. on

• Pron

important

• Adj

  1. important
  2. large, considerable, significant

• Verb