Degree, amount, or extent; a standard or approximate level (used like 'about' or 'to the order of' following numbers).
日本語の能力は日常会話程度です。
My Japanese ability is at the level of daily conversation.
その程度なら私にもできます。
If it's to that extent, I can do it too.
彼の年収は五百万円程度だと言われている。
It is said his annual income is roughly five million yen.