Create, add, duplicate, copy, clone titles or use the title template system to add text subtitles in Kdenlive. All have advantages and disadvantages. I prefer duplicating, it feels most natural.
To create titles, you should work in the project bin and use the "add" button's sub-menu to create a new title. The title editor will pop up, where you can place text, chose its font and style/bold/italic/underline design, give it an outline, add shapes like squares for background. You can change colors and set opacity, alpha or transparency values.
To make a copy of an existing title, you can simply right-click it in the project bin and duplicate it there, then right click and edit, to make the change - often you will only want to change the text.
Template titles have to be saved as a separate file and use the "%s" codeword or variable, to display whichever string you enter in its description.
More Kdenlive tutorial videos:
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