prefix
Prefix used to mean 'all of', 'the whole of', or 'pan-'. Attaches to nouns to indicate totality or completeness.
全国の天気予報を見る。
I check the weather forecast for the whole country.
全商品が20%オフです。
All products are 20% off.
noun
Used before a number of volumes or items to mean 'a complete set' or 'in total'. Often seen in contexts like book series or collections.
この漫画は全10巻で完結した。
This manga was completed in a total of 10 volumes.
全集を買うと高い。
Buying the complete works is expensive.