A password is a secret code or combination of letters, numbers, or symbols that you create to protect your personal information and allow only you to access it. Full definition
Finally, don't rely only on passwords for protecting these accounts, and be sure to enable two - factor authentication to keep them even more secure. (techradar.com)
To make sure your personal data is safe and secure, you can use the «lock» button to quickly enable a lock screen password if you didn't have one enabled before. (howtogeek.com)
There are plenty of password managers available on the market. (creditdonkey.com)