Hi David -- the quickest way to give you an answer is to tell you to type "talk" and "speak" into the search box at the top of the page and you will find links to many previous discussions of this question. If you still have questions after looking at a few of the links, post here again and I'll try to help.
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Edison1610They talked for a while.To me, "they talked for a while" and "they spoke for a while" convey the same meaning.
(they were in conversation)
They speaked for a while.
(they made sound)