What does BLACK mean to you?

Today, my head told one of my colleagues that the sky was dark this afternoon. Head 'blamed' (kiddingly) the trs who were wearing black blouses or T.
...actually this scenario happens quite frequently...
If that day's raining and coincidentally may trs wear black...he will defintely 'say' the same thing.
To him, black means rainy day.

As for my mum, she is always dissatisfied with me if I wear black.
She dislikes young girls who wear black.
To her (I guess), black means unlucky.

However, she wears black.
I ask her, "Why?"
Her answer is "Black is suitable for plump women."
To her, black means slim.

I wear black.
Sometimes, I look fairer in black T.
To me, black means contrast.

Sometimes, I look darker in black long shirt.
To me, black means dark.

I always wear black skirt. It is easier to match with any blouses in any colours.
To me, black means ease.

However, I avoid black blouse especially during hot days.
To me, black means heat.

Sometimes, my head requests us to wear black trousers.
To her, black means formality.

Among teenagers,
black could mean trend.
or even means cool.

What's your definition of B.L.A.C.K.?