Doler, Quemar, Picar

what's the difference between "yo tengo dolor en mi pierna" and "me duele la pierna" ?

1st statement means "I have pain in my leg" 2nd statement means "my leg hurts"

doler plural (past)

dolieron

doler singular (past)

dolió

doler singular (imperfect)

dolía

doler plural (imperfect)

dolían

doler singular (present)

duele

doler plural (present)

duelen

what does "me queman los ojos" mean?

my eyes burn

what does "me pica el dedo" mean?

my finger burns/stings

picar singular (present)

pica

picar singular (imperfect)

picaba

picar plural (imperfect)

picaban

picar plural (present)

pican

picar plural (past)

picaron

picar singular (past)

picó

quemar singular (present)

quema

quemar singular (imperfect)

quemaba

quemar plural (imperfect)

quemaban

quemar plural (present)

queman

quemar plural (past)

quemaron

quemar singular (past)

quemó