This is the 394th most frequent Arabic word.
قاعدة
"قاعدة" means "base," "foundation," or "rule" in English.
In this sentence, the word 'قاعدة' is used to mean 'base', referring to a physical support or seat.
تفضل، استرح على هذه القاعدة.
Please, sit on this base.
Here, 'قاعدة' denotes 'rule', as in a principle or guideline.
القاعدة الذهبية في التعامل مع الناس هي احترام الجميع.
The golden rule in dealing with people is to respect everyone.
In this context, 'قاعدة' is part of the compound term 'قاعدة البيانات', meaning 'database', which refers to a structured collection of data.