Clairvoyance
What is clairvoyance
Its the gift of receive messages from the spirit world, whether it be a person, a place, and event that will happen or an object. you called also calle it the "sixth sense". This come under the umbrella of being a psychic and/or medium.
Then you have
"clairsentience"; when you can feel spirit around you as well as picking up the energy by feeling. There is also
"clairaudience"; this is when you can hear spirit and pass the message on.
Online psychic reading
There is alot to say about reading the lines and indents on a person's hand. i do not have that gift but i see through the lines to give the psychic reading.