A Bill may be passed by simple majority in the House and then is sent to the Senate.
Once the Senate received the Bill, one of the committees takes the Bill for review and to work out Senate differences with the House Bill.
Once the Senate committee works out its differences, it then votes the Bill out of committee and this Bill is sent to the full Senate for a vote to pass or not pass this Bill.
Once approved by the Senate and language in the Senate does not match word-for-word the House version of the Bill, then the Bill is sent to a joint House and Senate committee to work out their differences.
Once the Joint committee agrees to the changes, the Bill is voted out of committee and sent to the House and Senate for a full vote in each chamber.
If each chamber (House and Senate) approve the agreed House and Senate version, then it is sent to the president for final signing into law.
If the president doesn’t like the Bill he can either outright veto it or do a pocket-veto (keeps the Bill in his pocket, so to speak), and runs out the 10-day clock to approve or veto.
If the president vetoes or exercises a pocket veto (does nothing), then Bill is sent back to the Senate.
Once the Senate has it, they hold another vote. If the Bill returned by the president passes the Senate by a supra-majority (60 votes), it has over-ridden the presidential veto and it becomes law.
If the Senate fails to achieve a 60-vote majority vote on the Bill, then the presidential veto stands.
Complicated beyond the simple constitution language but that is how it is done now. . . . . . . .as far as I can recall.
You can track each Bill and its status, too include committee actions, and language in the Bill, by visiting: https://www.congress.gov/
My mistake. . .2/3rd majority in House and Senate to over-ride a presidential veto.
Typing while multi-tasking. . .it happens. . .
Thanks for that explanation, I really appreciate it. You are correct, what is in the Constitution doesn’t explain it in this detail. Thanks for taking the time to explain the process.