simple
US /ˈsɪm.pəl/
UK /ˈsɪm.pəl/

1.
easily understood or done; presenting no difficulty
:
•
The instructions were very simple.
•
It's a simple task, anyone can do it.
2.
3.
not elaborate or luxurious; basic
:
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They lived a simple life in the countryside.
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The meal was simple but delicious.
1.
a person of humble origin or low social standing
:
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He was just a simple farmer.
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Despite his wealth, he remained a simple man.