c'est

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

la

• Article

  the (definite article)

• Pron
• Noun

se

1. The third-person reflexive and reciprocal direct and indirect object pronoun.
2. The third-person reflexive and reciprocal direct and indirect object pronoun.
3. The third-person reflexive and reciprocal direct and indirect object pronoun.
4. The third-person reflexive and reciprocal direct and indirect object pronoun.
5. The third-person reflexive and reciprocal direct and indirect object pronoun.
6. The third-person reflexive and reciprocal direct and indirect object pronoun.
7. The second-person plural reflexive and reciprocal direct and indirect object pronoun.

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

de

• Prep

  1. of (expresses belonging)
  2. of (used to express property or association)
  3. from (used to indicate origin)
  4. of (indicates an amount)
  5. used attributively, often translated into English as a compound word
  6. from (used to indicate the start of a time or range)
  7. used after certain verbs before an infinitive, often translated into English as a gerund or an infinitive
  8. by (indicates the amount of change)

• Article
• Noun

et

and

les

• Article

  1. plural of le: the
  2. plural of la: the

• Pron

poupées

plural of poupée