The world

estudió

third-person singular preterite indicative of estudiar

en

1. in, at, on
2. in (a time)
3. in (a language)
4. used after some verbs and translated by various prepositions in English
5. in (in various expressions)

Madrid

1. Madrid (the capital city of Spain)
2. Madrid, Community of Madrid (an autonomous community of Spain)
3. Madrid (a province of the Community of Madrid, Spain)
4. the letter M in the Spanish spelling alphabet
5. a surname

bajo

• Adj

  1. short (of little height)
  2. low, ground (situated close to the ground)
  3. low, bottom, poor (not high in status, amount or quality)
  4. bass
  5. base, mean, low, despicable

• Adv
• Noun
• Prep
• Verb

la

• Article

  the

• Pron
• Noun

dirección

1. direction
2. address
3. management, or running of a business or organisation

de

• Noun

  The name of the Latin-script letter D/d.

• Prep

Federico

a male given name, equivalent to English Frederick