diff --git a/src/NodaLogEdit.php b/src/NodaLogEdit.php
new file mode 100644
index 0000000..a26f762
--- /dev/null
+++ b/src/NodaLogEdit.php
@@ -0,0 +1,178 @@
+<?PHP
+/**
+ * Provides functions for easily logging updates to the main noda DB tables.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Provides functions for easily logging updates to the main noda DB tables.
+ */
+final class NodaLogEdit {
+    const ACTION_WHITELIST = [
+        'insert',
+        'update',
+        'merge',
+        'delete',
+    ];
+
+    const SECTION_WHITELIST = [
+        'base',
+        'related',
+        'superordinate',
+        'subordinate',
+        'synonym',
+        'synchronize',
+        'status',
+        'translation',
+    ];
+
+    /**
+     * Checks if a provided action is in the whitelist of allowed actions.
+     * Throws an exception if that is not the case.
+     *
+     * @param string $action The action to validate.
+     *
+     * @return void
+     */
+    private static function validateAction(string $action):void {
+
+        if (!in_array($action, self::ACTION_WHITELIST, true)) {
+            throw new MDpageParameterNotFromListException("Invalid action. The following actions are available: " . implode(', ', self::ACTION_WHITELIST));
+        }
+
+    }
+
+    /**
+     * Checks if a provided section is in the whitelist of allowed sections.
+     * Throws an exception if that is not the case.
+     *
+     * @param string $section The section to validate.
+     *
+     * @return void
+     */
+    private static function validateSection(string $section):void {
+
+        if (!in_array($section, self::SECTION_WHITELIST, true)) {
+            throw new MDpageParameterNotFromListException("Invalid section. The following sections are available: " . implode(', ', self::SECTION_WHITELIST));
+        }
+
+    }
+
+    /**
+     * Logs edits to a tag.
+     *
+     * @param MDMysqli $mysqli_noda DB connection.
+     * @param integer  $tag_id      Tag ID.
+     * @param string   $tool_name   Name of the tool used.
+     * @param string   $user_name   Name of the user.
+     * @param string   $action      Action to enter.
+     * @param string   $section     Section that has been updated.
+     *
+     * @return void
+     */
+    public static function logTagEdit(MDMysqli $mysqli_noda, int $tag_id, string $tool_name, string $user_name, string $action, string $section):void {
+
+        self::validateAction($action);
+        self::validateSection($section);
+
+        $insertStmt = $mysqli_noda->do_prepare("INSERT INTO `tag_edit_log`
+            (`tag_id`, `tool_name`, `user_name`, `timestamp`, `action`, `section`)
+            VALUES
+            (?, ?, ?, NOW(), ?, ?)");
+
+        $insertStmt->bind_param("issss", $tag_id, $tool_name, $user_name, $action, $section);
+        $insertStmt->execute();
+        $insertStmt->close();
+        $insertStmt = null;
+
+    }
+
+    /**
+     * Logs edits to a actor.
+     *
+     * @param MDMysqli $mysqli_noda DB connection.
+     * @param integer  $persinst_id Actor ID.
+     * @param string   $tool_name   Name of the tool used.
+     * @param string   $user_name   Name of the user.
+     * @param string   $action      Action to enter.
+     * @param string   $section     Section that has been updated.
+     *
+     * @return void
+     */
+    public static function logPersinstEdit(MDMysqli $mysqli_noda, int $persinst_id, string $tool_name, string $user_name, string $action, string $section):void {
+
+        self::validateAction($action);
+        self::validateSection($section);
+
+        $insertStmt = $mysqli_noda->do_prepare("INSERT INTO `persinst_edit_log`
+            (`persinst_id`, `tool_name`, `user_name`, `timestamp`, `action`, `section`)
+            VALUES
+            (?, ?, ?, NOW(), ?, ?)");
+
+        $insertStmt->bind_param("issss", $persinst_id, $tool_name, $user_name, $action, $section);
+        $insertStmt->execute();
+        $insertStmt->close();
+        $insertStmt = null;
+
+    }
+
+    /**
+     * Logs edits to a time entries.
+     *
+     * @param MDMysqli $mysqli_noda DB connection.
+     * @param integer  $zeit_id     Time ID.
+     * @param string   $tool_name   Name of the tool used.
+     * @param string   $user_name   Name of the user.
+     * @param string   $action      Action to enter.
+     * @param string   $section     Section that has been updated.
+     *
+     * @return void
+     */
+    public static function logTimeEdit(MDMysqli $mysqli_noda, int $zeit_id, string $tool_name, string $user_name, string $action, string $section):void {
+
+        self::validateAction($action);
+        self::validateSection($section);
+
+        $insertStmt = $mysqli_noda->do_prepare("INSERT INTO `zeiten_edit_log`
+            (`zeit_id`, `tool_name`, `user_name`, `timestamp`, `action`, `section`)
+            VALUES
+            (?, ?, ?, NOW(), ?, ?)");
+
+        $insertStmt->bind_param("issss", $zeit_id, $tool_name, $user_name, $action, $section);
+        $insertStmt->execute();
+        $insertStmt->close();
+        $insertStmt = null;
+
+    }
+
+    /**
+     * Logs edits to a place entries.
+     *
+     * @param MDMysqli $mysqli_noda DB connection.
+     * @param integer  $ort_id      Place ID.
+     * @param string   $tool_name   Name of the tool used.
+     * @param string   $user_name   Name of the user.
+     * @param string   $action      Action to enter.
+     * @param string   $section     Section that has been updated.
+     *
+     * @return void
+     */
+    public static function logPlaceEdit(MDMysqli $mysqli_noda, int $ort_id, string $tool_name, string $user_name, string $action, string $section):void {
+
+        self::validateAction($action);
+        self::validateSection($section);
+
+        $insertStmt = $mysqli_noda->do_prepare("INSERT INTO `orte_edit_log`
+            (`ort_id`, `tool_name`, `user_name`, `timestamp`, `action`, `section`)
+            VALUES
+            (?, ?, ?, NOW(), ?, ?)");
+
+        $insertStmt->bind_param("issss", $ort_id, $tool_name, $user_name, $action, $section);
+        $insertStmt->execute();
+        $insertStmt->close();
+        $insertStmt = null;
+
+    }
+}