Are BOA reflectance, surface reflectance and water leaving reflectance the same?

I am trying to compare different atmospheric corrections and am a bit stumped on these different terms for their output.
Sen2Cor and iCOR give me BOA reflectances, C2RCC water-leaving reflectances and Acolite surface reflectances. I know that Remote sensing reflectances are different from BOA reflectances, but are all these other reflectances the same?

Thanks for your help!

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Maybe you can check using the units in which the different quantities are expressed: Rrs is in sr-1, Lw in W m-2 sr-1 nm-1; etc. You can also read the manuals of the different ACs to understand how they are calculated.