1. Communication
1.1. Telephone
1.1.1. Iphone
1.1.2. Samsung
1.1.3. Oppo
1.2. Laptop
1.2.1. MAcbook
1.2.2. Samsung
1.3. Computer
1.3.1. Mac
1.3.2. Acer
1.3.3. Hp
1.4. Tablet
1.4.1. Ipad
1.4.2. Samsung tablet
1.5. Letters
1.5.1. Stationaries
1.5.1.1. Pen
1.5.1.2. Pencil
1.5.1.3. Colour pens and pencils
1.5.1.4. Eraser
1.5.2. Paper
1.5.3. Envelope
2. Shelter
2.1. Homes
2.1.1. Appliances
2.1.1.1. Bedroom
2.1.1.1.1. Closet
2.1.1.1.2. Study table
2.1.1.1.3. Clothes
2.1.1.1.4. Mirror
2.1.1.2. Kitchen
2.1.1.3. Living room
2.2. Hotels
2.2.1. Bed
2.2.2. Coffee table
2.2.3. TV
2.3. Apartments
2.3.1. KItchen
2.3.2. Living room
2.4. Dorms
2.4.1. Study table
2.4.2. Bed
2.4.2.1. Bedsheet
2.4.2.2. Comforter
2.4.2.3. Pillow
2.5. Motels
2.5.1. Door
2.5.2. Closet
2.5.2.1. Clothes
2.5.2.2. Pants
2.5.2.3. Underwear
2.5.3. Windows
3. Security
3.1. Password
3.2. Police
3.3. Lazer alarms
3.4. CCTV
3.5. Army
4. Intelligence
4.1. Primary school
4.1.1. Classes
4.1.1.1. Table
4.1.1.2. Seats
4.1.2. Gymnasium
4.2. KIndergarten
4.2.1. Books
4.2.1.1. Colouring books
4.2.1.2. ABC books
4.2.2. Classes
4.3. Secondary
4.3.1. Science labs
4.3.2. IRK room
4.3.3. Departments
4.4. High school
4.4.1. Administration office
4.4.2. Chemistry lab
4.4.3. Biology lab
4.4.4. Physics lab
4.4.5. Computer lab
4.5. College
4.5.1. D&T room
4.5.2. Workshop
4.5.3. Whiteboard
4.5.4. Auditorium
4.6. University
4.6.1. Projectors
4.6.2. Laptops
4.6.3. Lecture theatre
5. Health
5.1. Gymnasium
5.1.1. Sports
5.2. Clinics
5.2.1. Posters
5.2.2. Waiting counter
5.3. Hospital
5.3.1. Rooms
5.3.2. Medicines
5.3.3. Doctor appliances/tools/uses
5.3.3.1. Stethoscope
5.3.3.2. Xray
5.3.3.3. Auriscope
5.4. Healthy food
5.4.1. Fruits
5.4.1.1. Apple
5.4.1.2. Orange
5.4.2. Vegetables
5.4.2.1. Brocolli
5.4.2.2. Tomato
5.4.2.3. Cucumbers
6. Transportation
6.1. Land
6.1.1. Cars
6.1.2. Bicycle
6.1.3. Motorcycle
6.1.4. Hoverboard
6.1.5. Skateboard
6.2. Air
6.2.1. Helicopter
6.2.2. Airplane
6.2.3. Parachute
6.3. Water
6.3.1. Jetski
6.3.2. Boat
6.3.3. Titanic
6.3.4. Water ski
7. Applications
7.1. Games
7.1.1. FIFA17
7.1.2. Angry BIrd
7.1.3. Piano tile
7.1.4. Color
7.2. Work related
7.2.1. Imind
7.2.2. Mindmeister
7.2.3. News
7.3. School related
7.3.1. Microsoft word
7.3.2. Microsoft excel
7.3.3. Powerpoint
7.3.4. Researches
7.3.4.1. Yahoo
7.3.4.2. Google
7.3.4.3. Pinterest
7.3.4.4. Bing
7.3.4.5. Encyclopedia
7.4. Social medias
7.4.1. Instagram
7.4.2. Snapchat
7.4.3. TWitter
7.4.4. Youtube
7.4.5. Blog
7.4.6. Iheartit
7.5. Utilities
7.5.1. Calculator
7.5.2. Voice memos
8. Sports
8.1. Baseball
8.1.1. Bat
8.1.2. Cap
8.2. Basketball
8.2.1. Shoes
8.2.1.1. Jordans
8.2.1.2. Nike
8.2.2. Towels
8.3. Football
8.3.1. Jersey
8.3.2. Ball
8.4. Netball
8.4.1. Net
8.4.2. Court
8.5. Swimming
8.5.1. Swimming pool
8.5.2. Stadium
9. Entertainment
9.1. Art
9.2. Music
9.2.1. Instruments
9.2.1.1. Guitar
9.2.1.2. Drums
9.2.1.3. Piano
9.2.2. Microphone
9.2.3. Concerts
9.2.4. Studio
9.3. Circus
9.3.1. Clown
9.4. Sports
9.5. Culture
9.6. Travelling
9.6.1. Transportation
9.6.2. Countries
9.6.3. Area