noun:a detailed proposal for doing or achieving something
We need to make a plan for the new marketing campaign.
noun:an intention or decision about what one is going to do
My plan is to travel to Japan next year.
noun:a detailed diagram or drawing of an area or building
The architect showed us the floor plan for the house.
noun:a secret scheme or plot, often with dubious motives
Detectives uncovered his plan to embezzle company funds.
verb:to decide on and arrange in advance
Let's plan the itinerary before we book our flights.
verb:to intend to do something
I plan to finish this project by Friday.