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    Title  Bar: It is  present  at  the  top  of the  Scratch window. It shows Scratch
                       written on the left. The right side of the Title Bar has the three control buttons:

                       Minimize, Maximize /Restore and Close.

                       Block palette: It displays the categories of blocks based on their functions and
                       uses. There are mainly ten types of blocks available in Scratch 3.

                       Backdrop: It is the background of the stage.

                       Stage Area: It is a place where you will see all the action happening.

                       Coding Area: It  is  a  place  where you drag  blocks  and  join  them  to  create
                       your code.

                       Sprite Info Pane: It shows all the  details of sprites  and backdrops  used  in a

                       project. You can add, delete, see the name and location, increase and decrease
                       the size of a sprite. Similarly, you can add or change the backdrop.

                       Add Extension: It takes us to menus of extension from where we can add extra
                       blocks to the block palette.

                       Go Button: It is the green flag and when you click on it, it runs a Scratch program.

                       Stop Button: It stops all the running programs, when clicked.

                       Menu Bar:  It contains  options  and commands  related  to  the  projects  that
                       you  create  in  Scratch.  The options  are  File, Edit,  Tutorials  and  name  of  the

                       Scratch project.

                       Tabs: It has mainly three tabs:

                         Code Tab: It contains block categories and the list of blocks in a category. Some
                           block  categories  are—Motion,  Looks,  Sound, Pen,  Events,  Control,  Sensing,

                           Operators, Variables and My Blocks. Each block performs a task in a project.
                         Costumes Tab: In this tab, you can add and make changes to the appearance

                           of the sprites and backdrops.

                         Sounds Tab: In this tab, you can add and make changes to the sounds of the
                           sprite and backdrop.

                          Tick ( ) if you know this.

                          ▶   Scratch is a visual programming language.

                          ▶   The person who writes these programs is known as a programmer.

                                                                                     Introduction to Scratch Programming  77

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