A single long line of running text that refuses to wrap and clearly spills past its fixed-width box.
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The very same unwrapping line, but inside a genuine horizontal scroll region meant to scroll.
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Ordinary wrapping paragraph text that stays comfortably within its container.
A long line living inside a scroll ancestor, which must not be flagged.
A screen-reader-only label with long text that should never draw a visible overflow finding. A legacy clipped screen-reader-only label with long text that should not be flagged. A tiny overflow-hidden screen-reader-only label without a clip declaration should not be flagged. A fully clipped label with a normal-sized box and overflowing text should not be flagged.
An inactive carousel slide can contain long text that overflows while hidden.