This is the 2392nd most frequent Russian word.
остальное
"The rest" or "the remaining."
In this case, 'остальное' signifies 'the remaining information' which is deemed irrelevant.
Из всей информации остальное не имеет значения.
Of all the information, the rest is not relevant.
Here, 'остальное' implies 'the other items in this store,' differentiating them based on price compared to other items.
Остальное в этом магазине дорогое.
The rest in this store is expensive.
Here, 'остальное' refers to 'the other items or tasks' not specified, indicating separation or postponement.