english

clothes (n pl.)/clothe (sing.)=衣服
clothing (collective n)=衣著,集合名詞,不可數

e.g: clothing means the clothes you wear, including shoes, and accesories
衣著指你着嘅衫,包括鞋+首飾.

通常有-ing都係集合名詞,冇嘅就係名詞,例如:
advertisement (n sing.)=廣告
advertisting (n)=以廣告嚟推廣嘅行為

clothes = 衣服
clothing =衣飾

Clothes is what you wear, clothing is what an expression of what you are going to wear.........