A ‘phishing’ email is one that pretends to be from a company or bank like eBay, PayPal, Santander, halifax etc, and which asks you, (for various reasons), to enter your account data, such as login details. These scams are often supported by fake spoof websites, and victims are tricked into thinking they are logging to a real website. Phishing is a form of identity theft, where fraudsters steal your identity and personal information to gain access to your accounts or commit other crimes using your persona.
The emails can look very convincing so how do you tell if the suspect email is real or a scam. Well you can look see more about common types of scams and how to avoid them here.