Movement. On your turn you can move a distance up to your speed. Your movement can include jumping, climbing, crawling, flying, or swimming. Your movement is limited if you are prone.
You can break up your movement on your turn. If you have more than one speed, you can use different speeds during your move.
Sometimes movement requires an ability check:
Difficult situations you encounter while
Keep from falling on tricky footing
Move with stealth/hide
Push through a tunnel that is too small
Perform acrobatic stunts
Enhance your move by using your action to Disengage, Dash, or Ready a move.
Where or how far you walk/run is affected by:
Moving around other creatures
Squeezing into a smaller space
Encumbrance by load
Encumbrance by armor