Imagine that you're at a birthday party and you're sharing a big cake with your friends. Now, let's pretend that the government is also at this party and they want to eat some of the cake too.
This is kind of like how the government spends money on things like roads, schools, hospitals, and other services that we all use. We call this government final consumption expenditure.
Just like how you have to use some of the cake to eat it, the government has to spend money to provide these services. And just like how you all have to share the cake fairly so everyone gets a piece, the government also tries to use the money fairly to provide services for everyone in the country.
Sometimes, the government might spend more money on certain things like education or healthcare. Other times, they might have to spend less on those things and more on things like infrastructure or military.
Overall, government final consumption expenditure is just a fancy way of saying that the government spends money on things that benefit everyone in the country, kinda like how you share the cake with your friends so everyone gets a piece.