diff --git a/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/col.kt b/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/col.kt
index af21c349f5..f4addacf8a 100644
--- a/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/col.kt
+++ b/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/col.kt
@@ -241,12 +241,14 @@ public interface ColColumnsSelectionDsl<out _UNUSED> {
      */
     @Suppress("INAPPLICABLE_JVM_NAME")
     @JvmName("colUnTyped")
+    @Interpretable("SingleColumnNestedColUntyped")
     public fun SingleColumn<DataRow<*>>.col(name: String): SingleColumn<*> = col<Any?>(name)
 
     /**
      * @include [ColNameDocs] {@set [CommonColDocs.RECEIVER] myColumnGroup.}
      * @include [CommonColDocs.ColumnTypeParam]
      */
+    @Interpretable("SingleColumnNestedCol")
     public fun <C> SingleColumn<DataRow<*>>.col(name: String): SingleColumn<C> =
         this.ensureIsColumnGroup().transformSingle {
             val child = it.getCol(name)?.cast<C>()
diff --git a/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/group.kt b/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/group.kt
index c1982d727f..9367a8e6ad 100644
--- a/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/group.kt
+++ b/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/group.kt
@@ -171,9 +171,11 @@ public class GroupClause<T, C>(internal val df: DataFrame<T>, internal val colum
  * where that column should be grouped.
  * All selected columns will be moved under the groups defined by this expression.
  */
+@Refine
 @JvmName("intoString")
 @OverloadResolutionByLambdaReturnType
 @OptIn(ExperimentalTypeInference::class)
+@Interpretable("IntoStringLambda")
 public fun <T, C> GroupClause<T, C>.into(column: ColumnsSelectionDsl<T>.(ColumnWithPath<C>) -> String): DataFrame<T> =
     df.move(columns).under { column(it).toColumnAccessor() }
 
diff --git a/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/rename.kt b/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/rename.kt
index 30858d25f0..48e44fd628 100644
--- a/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/rename.kt
+++ b/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/rename.kt
@@ -282,6 +282,8 @@ public fun <T, C> RenameClause<T, C>.into(vararg newNames: KProperty<*>): DataFr
  * and returns the new column name.
  * @return A new [DataFrame] with the columns renamed.
  */
+@Refine
+@Interpretable("RenameIntoLambda")
 public fun <T, C> RenameClause<T, C>.into(transform: (ColumnWithPath<C>) -> String): DataFrame<T> =
     renameImpl(transform)