Set up FIRST
Units-> set Arch/1/4"-1/2"/inches....
Limits-> first point @ 0,0
LTScale-> set linetypes
Tools -> options->Profile set up
Tools->options->Display-> Layout elements
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useful commands
F3--> osnap
F7-->grid
F8--> ortho
Alt--> activated all command bar in the top example +D+G rectangle (D for Draw, M for Modify, ...)
L--> line
Di--> distance
List--> can show the all command that i did
M--> move
Z--> zoom /All/center/dynamic/....
p-->pan
space tap works as enter
Image--> attach--> upload the image then we try to do scale the image
Scale--> select the object--> base point--> REFERENCE--> enter--> base point again and endpoint---> enter
Layer
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scale in model space

12" - 1
6" - 2
3" - 4
1 1/2" - 8
1" - 12
3/4" - 16
1/2" - 12
1/4" -48
1/8" -96
1/16" -192

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US Architectural:
ARCH A	228.6 mm x 304.8 mm	9" X 12"
ARCH B	304.8 mm x 457.2 mm	12" X 18"
ARCH C	457.2 mm x 609.6 mm	18" X 24"
ARCH D	609.6 mm x 914.4 mm	24" X 36"
ARCH E	914.4 mm x 1219.2 mm	36" X 48"