er

1. there (unspecific to distance)
2. it; him, her, them.

is

• Verb

  third-person singular present indicative of zijn; is, equals

• Adv

een

• Article

  Placed before a singular noun, indicating a general case of a person or thing: a, an. Compare with de and het.

• Num
• Noun

discrepantie

discrepancy (inconsistency)

en

• Conj

  1. and
  2. well, so
  3. plus, and

• Adv

de

• Article

  the (definite article, masculine and feminine singular, plural)

• Prep

praktijk

1. practice
2. practice
3. practice

theorie

theory