For the clutch, the bell rides on a bushing which rides on the axle. They are saying to give that a drop of oil here and there. Since you have a torque converter, that doesn't really apply to you.
For the torque converter, you are supposed to take apart the variator (and rear driven) assembly periodically and clean all of the parts. They tend to get carbon deposits on their parts. When they get too dirty, the variator cannot slide easily and you can get a jerky engagement or lack of disengagement. They actually make a spray dry lubricant to coat the moving parts with after you have cleaned them.
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