We were sailing on (a/the) port 'tack'. [=with the wind coming from our port/left side]
The company decided to change 'tack'. [=to try using a different method/approach]
The porch looked like it was just 'tacked on/onto' the house.
(..) This is what I get For bringing the animal in to boost business. Why Don't we just move him into the Ritz-Carlton? I can tack it onto the I just dumped into his latest insurance premium. Yeah. The whale's worth more dead than alive. (..)1993 Free Willy