This is the 4988th most frequent Russian word.
лад
Harmony, order, or a manner/way.
The word 'лад' refers here to a harmonious and friendly relationship.
У них в коллективе всегда лад.
In their team, there's always harmony.
Here 'лад' is used to describe reaching an agreement or mutual understanding.
Мы быстро пришли к общему ладу.
We quickly reached a common understanding.
In this case, 'лад' refers to organizing or arranging things in a harmonious way.