Definitions of compass:

• noun:   navigational instrument for finding directions
• noun:   drafting instrument used for drawing circles
• noun:   the limit of capability

  Example: "Within the compass of education"

• noun:   an area in which something acts or operates or has power or control

  Example: "Within the compass of this article"

• verb:   bring about; accomplish

  Example: "This writer attempts more than his talents can compass"

• verb:   travel around, either by plane or ship

  Example: "We compassed the earth"

• verb:   get the meaning of something