verb

• (ambitransitive) To go after; to pursue; to move behind in the same path or direction, especially with the intent of catching.
  "Follow that car!"
• (ambitransitive) To go or come after in a sequence.
  "B follows A in the alphabet."
• (transitive) To carry out (orders, instructions, etc.).
  "Follow these instructions to the letter."
• (transitive) To live one's life according to (religion, teachings, etc).

noun

• (sometimes attributive) In billiards and similar games, a stroke causing a ball to follow another ball after hitting it.
  "a follow shot"
• (social media) The act of following another user's online activity.
  "It doesn't take too many follows to become overwhelmed with the deluge of content on Twitter."