channels and events are related:
<div class="img img-90">
-<object data="/images/docs/core-concepts.svg" type="image/svg+xml">
- <img src="/images/docs/core-concepts.svg">
+<object data="/images/docs26/core-concepts.svg" type="image/svg+xml">
+ <img src="/images/docs26/core-concepts.svg">
</object>
</div>