What is Italian seasoning?!

What is Italian seasoning?

I have a recipe that says to use Italian seasoning but I don't know what that is? If I don't have it can I substitute something for it?

this is what's in the bottles you buy at the market: MARJORAM, THYME, ROSEMARY, SAVORY, SAGE, OREGANO, AND BASIL.
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you can make it at home

2 teaspoons dried basil
2 teaspoons dried marjoram
2 teaspoons dried oregano
1 teaspoon dried sage

Combine all ingredients; store in an airtight container.

or...............................

3 tablespoons dried basil
3 tablespoons dried oregano
3 tablespoons dried parsley
1 tablespoon garlic powder
1 teaspoon onion powder
1 teaspoon dried thyme
1 teaspoon dried rosemary
1/4 teaspoon black pepper
1/4 teaspoon red pepper flakes