noun

• (mathematics) The set of values (points) which a function can obtain.
• (statistics) The length of the smallest interval which contains all the data in a sample; the difference between the largest and smallest observations in the sample.
• (sports, baseball) The defensive area that a player can cover.
  "Jones has good range for a big man."
• (music) The scale of all the tones a voice or an instrument can produce.

verb

• (intransitive) To travel over (an area, etc); to roam, wander.
• (transitive) To rove over or through.
  "to range the fields"
• (obsolete, intransitive) To exercise the power of something over something else; to cause to submit to, over.
  "The soule is variable in all manner of formes, and rangeth to her selfe, and to her estate, whatsoever it be, the senses of the body, and all other accidents."
• (transitive) To bring (something) into a specified position or relationship (especially, of opposition) with something else.
  "At last we gained such an offing, that the two pilots were needed no longer. The stout sail-boat that had accompanied us began ranging alongside."