This is the 11288th most frequent Russian word.
декору
"Декору" is the dative case of "декор," meaning "decor" or "decoration" in English.
In this sentence, 'декору' is used in the dative case to indicate to which the table is matching.
Этот стол подходит к декору комнаты.
This table matches the room's decor.
Here, 'декору' indicates the object that receives the attention, also in the dative case.
Мы уделяем большое внимание декору фасада.
We pay a lot of attention to the facade's decor.
In this example, 'декору' denotes the topic that the lesson is dedicated to, emphasizing its relation in the dative case.