What does Sandbox mean?
A sandbox is an isolated environment for testing software. The so-called Google Sandbox, by contrast, is a term used in SEO discussions and is not a guaranteed, fixed waiting period for new websites.
AN EXAMPLE IN PRACTICE
Where you might encounter it
You test a new shop feature in a separate environment before using it in production. The test environment is a sandbox; real customer data and production credentials should be carefully protected in it.
From NetzTurm Decode. Clear explanations with historical context.