What do the hollow arrows mean on this SID?

I circled a few of them. What are they indicating? Sometimes they are going in the direction of the transition, and sometimes they aren't.

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They point from the navaid you can use to identify the fix.

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Obvious DME - when the DME to the fix matches the route mileage

Aeronautical chart users guide page 129

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But what do the lines mean

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I didn’t get that far in training

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This is a copy of the original post body for posterity:

I circled a few of them. What are they indicating? Sometimes they are going in the direction of the transition, and sometimes they aren't.

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