Definitions:
cause (a person or animal) to go with one by holding them by the hand, a halter, a rope, etc. while moving forward

be a route or means of access to a particular place or in a particular direction

be in charge or command of

have the advantage over competitors in a race or game

have or experience (a particular way of life)

the initiative in an action; an example for others to follow

a position of advantage in a contest; first place

the chief part in a play or film

a strap or cord for restraining and guiding a dog or other domestic animal

a wire that conveys electric current from a source to an appliance, or that connects two points of a circuit together.

the distance advanced by a screw in one turn.

an artificial watercourse leading to a mill.

a soft, heavy, ductile bluish-grey metal, the chemical element of atomic number 82. it has been used in roofing, plumbing, ammunition, storage batteries, radiation shields, etc., and its compounds have been used in crystal glass, as an anti-knock agent in petrol, and (formerly) in paints.

an item or implement made of lead.

graphite used as the part of a pencil that makes a mark

a blank space between lines of print.