Whats your class and what spec do you play

Glyphs generally enchant your spells. For instance there is a Glpyh (as a Priest) to improve my prayer of mending by 10%. There is one glyph that makes fear static (useful for raids and dungeons as part of CC)

Enchant boosts your current stat , so for instance if you get a somewhat good gear , you enchant it to give it more umph

PVP in low levels are different , they aren't balanced . Few things - your skills (if you're pressing keyboard and mouse and not keybinds , that would pretty much have impact. In PVP , you must have quick reflex , for this you need to have few things macro'ed). Anyway, another thing is PVP gear (you may want to go and farm battelground and get some honor points). Personally this is what I did to farm pvp gear , just do daily dungeons (once you are geared for PVP) , convert justice points to honor points and buy gear.

Professions do help in a way to craft some items , you need to explore more

which server do you play ?