the act of going from one place to another
"he enjoyed selling but he hated the travel"
The act of one who travels; a journey.
"After years of travelling, she finally returned home to settle down."
In plain English: Travelling is the act of going from one place to another, usually for fun or work.
"Travelling broadened her horizons more than any book ever could."
present participle of travel
"The sound of travelling footsteps echoed through the empty hallway."
In plain English: To travel means to go from one place to another, usually by using transportation like cars, planes, or trains.
"We are travelling to London next week for our holiday."
That travels (with one)
"The heavy backpack that has been travelling with me since my college days is finally worn out."