What is the meaning of the dotted links that connect a latent variable and a manifest variable in an SEM?

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i conduct SEM with lavaan under Jamovi (SEMLj), and i can't understand what do represent dotted links that connect a latent variable and a manifest variable.

My Model and path diagram

Is it possible to transform them into a continuous link?

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Terrence On

It looks like the dashed lines are nonzero fixed (rather than estimated) parameters. Parameters that are fixed to zero are merely excluded from the diagram. But the paths fixed to 1 are following a familiar identification constrain that you can read about in an SEM/CFA textbook.