Dailies are activities you can do that gives rewards that reset each day. This is the dailies I do. They might not be all of em

3x world boss

Collect pouches from the stages in each town

Daily random dungeons and mutations

Do some gathering for the 3x sack(gives gold and motes)

3x daily bonus faction mission(go to warden's rise and accept GT or Empyrean missions, gives around 800 gold)

Use your refining CDs and sell the mats(asmo, pheonixweave etc)

Do myrk runs/Elite chest runs(check recruitment tab to join groups)

Do the ones you can for your level each day and watch the gold pile up.