Meaning of “arrangement” - Learner’s Dictionary

arrangement

noun uk us /əˈreɪndʒmənt/
PLANS [ C ]

B1 plans for how something will happen:

[ usually plural ] We're meeting tomorrow to discuss arrangements for the competition.
[ + to do sth ] I've made arrangements to go home this weekend.
AGREEMENT [ C, U ]

B2 an agreement between two people or groups:

We have an arrangement whereby we share the childcare.
Viewing is by prior arrangement.
POSITION [ C ]

B2 a group of objects in a particular order or position:

a flower arrangement

(Definition of “arrangement” from the Cambridge Learner’s Dictionary © Cambridge University Press)