an inclusive price or cost includes everything [≠ exclusive]
The fully inclusive fare for the trip is £22.
The rent is £120 a week, inclusive of heating.
including a wide variety of people, things etc [≠ exclusive]:
Not everyone shares his vision of an inclusive America.
used to refer to a range of months, numbers etc, including the ones that start and end the range! In American English, it is more usual to use the word 'through': Monday through Friday