What is open sesame?

Here's some information about "Open Sesame" in Markdown format, with linked key concepts:

"Open Sesame" is a magical phrase in the story of "Ali Baba and the Forty Thieves" from One Thousand and One Nights (also known as the Arabian Nights).

It's used to open the entrance to a secret cave where forty thieves have stored their treasure. The phrase is famously uttered by Ali Baba after he overhears the thieves using it. The exact origin and meaning of the phrase is debated, but it has become a widespread cultural reference. It symbolizes the sudden and effortless unlocking of great fortune or access to something previously hidden or forbidden. The phrase has been used extensively in popular culture to represent instant access or unlocking something.