What is the meaning of below?

adverb

• In or to a place that is lower.
  • synonyms: at a lower place, to a lower place, beneath
• At a later place.
  • usage: "see below"
• In writing. ( see below)
  • usage: "vide infra"
  • synonyms: infra
• On a floor below.
  • usage: "the tenants live downstairs"
  • synonyms: downstairs, down the stairs, on a lower floor
• Further down.
  • usage: "see under for further discussion"
  • synonyms: under