The figure of speech used in the verse 3 of the Psalm 71 is Metaphor, which <em>is the comparison of two things that are not related, in an implicit or hidden way</em>. The psalmist is <em>comparing God to a solid rock</em>, which is not easily moved ("my rock") and is a refuge for him; he also <em>compares</em> <em>God to a well-protected castle</em> ("my strong habitation and my fortress"), he feels secure and protected.
<h3>These birds fly with their neck tucked against their body in a “S” shape. Herons are sometimes mislabelled as “cranes,” which fly with their necks outstretched.</h3>