If you try to apply a paragraph format, such as indentation, to just this new line, it will also affect the lines above it that belong the same paragraph. When a period of time passes in a story, it can be shown using an asterisk (or two or three) between paragraphs, or using an extra space between paragraphs. The soft line break command places your cursor at the left margin, but it keeps this new line of text associated with the text from the line above it and does not create a new paragraph. It looks like an arrow looping around on itself and pointing left.
Note the different symbol that appears in your Word document window. This is different from a carriage return or hard line break. There may be no blank line between a term.
On some computers, the Enter key has the label 'Return' printed on it, which stands for carriage return or line return.