The terminology

Faces

U – Up

B – Back

D – Down

F – Front

L - Left

R – Right

The terminology

Actions

U – Up

B – Back

D – Down

F – Front

L - Left

R – Right

U' – Up reverse

B' – Back reverse

D' – Down reverse

F' – Front reverse

L' - Left reverse

R' – Right reverse

Step 1: The deep cross

Step 2: The 1st level

RD'R'D

Step 3: The 2nd level

U'L'UL

UFU'F'

URU'R'

U'F'UF

Step 4: The top cross

FRUR'U'F'

Step 5: The top deep cross

RUR'URU2R'

Step 6: The matched corners

 →URU'LUR'U'L

←U'LURU'LUR'

Step 7: The end

 R'D'RD