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+# διά/dia
+This word connects two groups of words together and describes how they relate to one another. It is a preposition.
+
+* This word means through.
+    * It is used to talk about one physical object moving through an area or another object.
+    * It is used to talk about a physical object moving along another object.
+    * It is used to talk about events happening during a certain length of time.
+        * Sometimes it is used to talk about an event happening during a short time of the longer time period.
+        * Sometimes it is used to talk about an event happening for the whole longer time period.
+
+    * When one person causes a second person to do some action, we say that the first person did the action through the second person.
+    * When one person uses an object to do some action, we say that the person did that action through the object.
+    * When a later event is possible only because an earlier event has happened, we say that the later event happened through the earlier event.
+    * When an event is possible only because an earlier situation existed, we say that the event happened through the situation.
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