Skills are a mechanic. They are the representation of a Character's training and knowledge in broad fields of study and physical expertise.
Stat: Brawn
How well your Character can apply their strength, whether it be running climbing or fist fighting Athletics is the Skill for the job.
Stat: Agility
The measure of your Character's dextrous abilities, Checks that would prompt Coordination often involve fine motor control, acts such as aiming moderate to small sized weapons, picking a lock/pocket, or grabbing something at just the right moment.
Stat: Intuition
A measure of your Character's ability to take in their surroundings and find what they're looking for. Often prompted for when trying to perceive hidden foes, locate obscured objects, or get a read on a situation.
Primary Stat: Smarts
A measure of your Character's understanding of the material world be it metals, organics, structures, or formations.
Stat: Wits
Your Character's ability to understand and interact with the natural world, ranging from covering tracks to mending a simple wound, most things of an organic or undeveloped nature are covered by the Natural Skill.
Primary Stat: Wits
How astrally skilled your Character is, anything to do with magic is covered by this skill, from summoning spirits to hurling raw elements to unravelling carefully crafted spells.
Primary Stat: Wits
A measure of your Character's technical knowhow and aptitude, not just mechanical engines and hydraulic pistons but vast computer systems and Cyberware are all covered by this Skill, if its more advanced than rubbing two sticks together its likely Tech.
Primary Stat: Smarts
A measure of your Character's skill in absorbing information, be it sitting in a library devouring paragraphs of text or drifting through a crime scene picking up on each little detail, putting them all together to find the answer.
Primary Stat: Wits
How well your Character can see what needs to be seen, that just right feeling where you know the answer lies right inside that cupboard. how in tune with the streets you are.