Determine whether each facility listed below was a liquidity facility or credit facility used by the Fed during the $2020$ Covid$-19$ pandemic.

$\backslash$table$[[$Name and Description of Facility,Facility Type$],[$Primary Market Corporate Credit Facility:,$],[$The Fed made loans to corporations in the form of newly issued bonds.,$],[$Secondary Market Corporate Credit Facility:,$],[$The Fed bought firms' investment grade bonds in the secondary market.,$],[$Main Street New Loan Facility:,$],[$The Fed provided small$-$ and medium$-$sized businesses four$-$year loans.,$]]$