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It appears the main differences are tax implications but nothing I see restricts withdrawl

Per google https://www.rothira.com/traditional-ira-vs-roth-ira:

Traditional IRA contributions are tax-deductible on both state and federal tax returns for the year you make the contribution; withdrawals in retirement are taxed at ordinary income tax rates. Roth IRAs provide no tax break for contributions, but earnings and withdrawals are generally tax-free.

User reply:

Thank you for the info! Can you explain the different then between a ROTH and a TRADITIONAL IRA? This is where I think some confusion comes in.

For a true IRA there are no restrictions on withdrawl; however, there are tax penalties at time of withdrawl & then the withdrawl is again taxed as income when filing taxes.  Generally you have 100% access to the vested balance.  Sometimes investment statements combine several different account types (IRA, money market, mutual funds, etc) on one statement so pay close attention that the account is truly an IRA.

Original question:
I'm aware that there are certain kinds of IRA accounts that don't required terms and conditions of withdrawal. Is this correct, or are they always required on all IRA accounts? Is this different for each loan type? Also, can we use 100% of the balance or vested balance?