Technical leadership is the work of taking responsibility for outcomes you can't directly produce. It's making the call when the data is incomplete. Owning the consequences when the call was wrong. Creating the conditions for people around you to do work you couldn't have done yourself.
These posts are about what that actually looks like in practice. Not the org-chart version, the in-the-room version. How to disagree productively with someone who outranks you. How to hold a position you believe in when the room wants you to fold. How to know when you're in over your head and what to do about it. How to change your mind without losing credibility.
Most of what's here was learned by getting it wrong first.