htmlBlock-level elements and inline elements include: 1. Block-level elements, defines a block-level area in the document, defines an unordered list, defines list items , defines the form, defines the paragraph, - defines the title; 2. Inline elements, defines an inline area in the document, defines the image , defines a drop-down list, defines an input field, defines a button. # Operating system for this tutorial: Windows 10 system, Dell G3 computer. Common block-level elements in HTML include: : Defines a block-level area in the document. : Define paragraph. -: Define the title. : Define an unordered list. : Define an ordered list. : Define list items. : Define the table. : Define the form. Common inline elements in HTML include: : Defines an inline area in the document. : Define the link. : Define the image. : Defines emphasis text. : Define emphasized text. : Define the newline character. : Define input fields. : Define a drop-down list. : Define button. : Define the label.