1
USECASE
2
ACTOR
3
SYSTEM
4
BOUNDARY
5
CONNECTION
6
RELATIONSHIP
7
REGRADE
8
INCLUDE
9
GENERALIZATION
10
SPECIALIZATION
G
C
W
B
A
Y
O
T
S
S
O
S
N
E
Y
E
O
E
A
X
I
A
P
E
O
Y
R
A
V
U
N
N
X
E
E
N
E
O
U
S
A
Z
A
S
I
E
N
E
D
Y
C
K
K
T
B
I
R
E
P
A
R
E
R
E
I
L
D
E
P
O
A
C
T
O
R
A
C
L
A
K
U
M
U
O
E
A
I
W
D
W
L
T
L
I
E
D
I
A
T
S
O
N
O
E
P
I
I
R
I
X
E
A
R
E
U
Z
M
C
I
D
Z
O
O
Z
C
A
D
O
K
P
Q
R
Y
Z
A
A
N
T
N
A
B
R
E
G
R
A
D
E
T
U
T
A
U
H
U
S
E
A
E
A
L
O
I
B
O
I
G
C
J
W
N
X
U
E
D
W
O
A
N
J
O
K
R
R
E
L
A
T
I
O
N
S
H
I
P
N