Alright kiddo, let me try to explain Tempora to you in a simple way.
Tempora is a secret program created by the British intelligence agency called GCHQ (Government Communications Headquarters). Its job is to collect a huge amount of data (information) from people's phone calls, emails, text messages, and all kinds of online activities.
Think of it like a big spider web that collects all the information that people share on the internet. This includes things like what websites you visit, who you talk to online, what pictures you post, and what you're interested in.
It's like they're watching everything that people do online, but it's done in secret so most people have no idea it's happening.
The UK government says that they use Tempora to protect the country from things like terrorism and serious crime. But some people are worried that it's an invasion of privacy and that it could be misused.
So, in short, Tempora is a program that collects lots of information from people's online activities in order to help the government protect the country.