Guitar tabs helps us to represent guitar notes ina simple way.
e|--------------------------------|
e|--------------------------------|
B|--------------------------------|
G|--------------------------------|
D|--------------------------------|
A|--------------------------------|
E|--------------------------------|
These represents the 6 strings of guitar.
E- thickest string
e- thinnest string
e|-----3--------------------------|
B|----------------------4--------|
G|------------5------------------|
D|--------------------------------|
A|--------------------------------|
E|--------------------------------|
The numbers represents the number of the fret.
e|-----3\4-------------------------|
B|-----------------------4h3-----|
G|--------------5p2--------------|
D|---------------------------------|
A|---------------------------------|
E|---------------------------------|
h == hammer on
p == pull off
\ or / == slide