How are public goods paid?

A simple definition please !!
I'll give brainlist too

Typically, these services are administered by governments and paid for collectively through taxation.

Examples of public goods include law enforcement, national defense, and the rule of law. 

ń, wǒ shuō yīngyǔ, dàn wǒ huì shuō qítā yǔyán, rú xībānyá yǔ fǎyǔ yìdàlì yǔ hé pǔtōnghuà, suǒyǐ bùyào pànduàn, dànshì