This is the 2014th most frequent Arabic word.
الحيوانات
"Animals"
The word "الحيوانات" refers generally to all kinds of animals in a specific location.
أحبُّ النظر إلى الحيوانات في الحديقة.
I love watching animals in the park.
The word "الحيوانات" here is used to signify a subset: domestic animals or pets.
تعتني عائلتنا بالحيوانات الأليفة في المنزل.
Our family takes care of pets at home.
In this sentence, "الحيوانات" is used with a qualifier (wild) to specify a category of animals.